Anatomy and Physiology II D313 WGU Study
Guide Rated A+
1). Dextrocardia; situs inversus.
Ans: The heart is on the right side of the thorax in a very small percentage of people.
These people have a condition called _______ , which is a developmental anomaly.
When the position of the organs of the abdomen is also affected, the condition is known
as __________.
2). Where is the heart positioned?
Ans: It is superior to the diaphragm.
It is medial to the lungs.
3). Deoxygenated blood
Ans: refers to the blood that has low oxygen saturation relative to blood leaving the
lungs
4). Oxygenated blood
Ans: refers to the blood that has been exposed to oxygen in the lungs
5). Cardiac muscle
Ans: an involuntary, striated muscle that makes up the walls of the heart
6). Myocardium
Ans: one of the layers of the heart wall, it includes cardiac muscle fibers
7). Diaphragm
Ans: a large dome-shaped muscle located within the chest cavity, just below the lungs
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, 8). Sternum
Ans: a long flat bone located in the central part of the chest
9). Base
Ans: located at the level of the third costal cartilage or the third bone of the rib cage
10). Apex
Ans: located at the sternum between the fourth and fifth ribs
11). Pericardium
Ans: a thin, fluid-filled sac that covers the outer surface of the heart
12). Pericardial cavity
Ans: a narrow cavity filled with a thin serous fluid, called pericardial fluid
13). Pericardial fluid
Ans: a thin serous fluid
14). Endocardium
Ans: a smooth, thin membrane lining the inner surface of the heart chambers
15). Myocardium
Ans: the heart muscle composed of cardiac muscle fibers
16). Epicardium
Ans: the thin, outer membrane of the heart wall
17). Endo
Ans: means inner
PaperStoc.com Page 2 of 13
Guide Rated A+
1). Dextrocardia; situs inversus.
Ans: The heart is on the right side of the thorax in a very small percentage of people.
These people have a condition called _______ , which is a developmental anomaly.
When the position of the organs of the abdomen is also affected, the condition is known
as __________.
2). Where is the heart positioned?
Ans: It is superior to the diaphragm.
It is medial to the lungs.
3). Deoxygenated blood
Ans: refers to the blood that has low oxygen saturation relative to blood leaving the
lungs
4). Oxygenated blood
Ans: refers to the blood that has been exposed to oxygen in the lungs
5). Cardiac muscle
Ans: an involuntary, striated muscle that makes up the walls of the heart
6). Myocardium
Ans: one of the layers of the heart wall, it includes cardiac muscle fibers
7). Diaphragm
Ans: a large dome-shaped muscle located within the chest cavity, just below the lungs
PaperStoc.com Page 1 of 13
, 8). Sternum
Ans: a long flat bone located in the central part of the chest
9). Base
Ans: located at the level of the third costal cartilage or the third bone of the rib cage
10). Apex
Ans: located at the sternum between the fourth and fifth ribs
11). Pericardium
Ans: a thin, fluid-filled sac that covers the outer surface of the heart
12). Pericardial cavity
Ans: a narrow cavity filled with a thin serous fluid, called pericardial fluid
13). Pericardial fluid
Ans: a thin serous fluid
14). Endocardium
Ans: a smooth, thin membrane lining the inner surface of the heart chambers
15). Myocardium
Ans: the heart muscle composed of cardiac muscle fibers
16). Epicardium
Ans: the thin, outer membrane of the heart wall
17). Endo
Ans: means inner
PaperStoc.com Page 2 of 13
